10 Best How To Get Rid Of Algae In Pond Naturally in The UK

Last updated on 09/09/2025

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Best Choice

9.7

Exceptional

AJS Fisheries

Algae Buster - Lake & Pond Treatment for Algae Control & Removal (1kg)

Why We Love It

Rapid action for quick results.
Instant activation upon water contact.
Works against stubborn algal growth.

Main Highlights

Rapid action, burns off algae in minutes
Activates on contact with water
Effective agaisnt algal scums, rafts and blanket weed bodies

envii Algae Klear Xtra – Blanket Weed Treatment for Ponds, Removes Blanket weed & String Algae Working All Year Round, Safe for all Fish & Plants – 1L Treats 20,000 litres

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Why We Love It

Kills blanket weed and algae.
Uses unique UV light filter.
Safe for fish and plants.

Main Highlights

Blanket Weed Remover – Algae Klear Xtra safely removes submerged blanket weed and string algae in all ponds. Our algae treatment can be used all year round making it suitable for treatments through winter.
Fast Acting Treatment – Specifically designed to target and kill all submerged algae effectively within 3 weeks of the first treatment.
Helps Prevent New Algae – Due to our unique UV light filter, this will help supress the growth of new blanket weed and algae at any temperature.
Safe for All Fish – Algae Klear Xtra is completely safe for all fish & plants whilst encouraging the overall health of your pond.
Treatments – A 1L bottle bottle is enough to treat 20,000 litres.

Bloom Buster Fast Acting Algae Control – 128 Ounces - Effectively Controls Green Algae, String Algae, Hair Algae and Blanketweed Algae, Safe for Use in Ponds Containing Fish and Plants

Why We Love It

Safely eliminates harmful algae.
Treats large pond volumes efficiently.
Supports healthy aquatic ecosystems.

Main Highlights

For small ponds with heavy algae growth, clean the excess algae off the sides and ornaments before adding Bloom Buster Liquid Algae Control.
This bottle treats 46,080 gallons of water.
Use 1/2 tsp to treat 30 gallons of water. Repeat dosage once per week for maintenance.
Effectively controls these types of freshwater algae: Green or Green water algae , Blue-Green algae, Black Beard algae, String or Hair algae, Blanket weed, in ornamental ponds and fountains containing live plants and fish.
Algae growth can appear as green water blooms, filamentous algae on plants, floating algal mats (blanket weed), algae, brown growth on ornaments, rocks, fountains, and waterfalls. Can be used with clarifiers. Can be used with pond dyes.
Before use, make certain that the body of water has vigorous aeration; thoroughly mix into body of water and disperse evenly; Repeat dose every three days until algae is controlled; dose weekly to keep pond or fountain clean and clear and to reduce maintenance
This is an EPA registered Algaecide that will not harm fish, plants, surrounding wildlife and pets when used as directed

API POND ALGAE CURE Control Solution, Safe For Pets When Used As Directed, 3.8 L Bottle

Why We Love It

Rapidly controls green water.
Consumes algae-causing nutrients naturally.
Safe for fish and plants.

Main Highlights

Contains one (1) API POND ALGAE CURE Control Solution, 3.8 L
Rapidly controls green water and prevents algae growth
Naturally consumes the nutrient that cause algae and green water
Clumps floating particles into large clusters and breaks down dead algae, sludge and fish waste
Use twice a week for two weeks, safe for fish, pond plants, as well as surrounding wildlife and pets, when used as directed

NT Labs Pond Magiclear, Clears Green and Cloudy Water, Control Against Algae Build up, Improves Pond Water Quality, Pond Water Flocculant (1 Litre)

9% Off

Why We Love It

Clears green, cloudy water.
Easy to use.
Suitable for all ponds.

Main Highlights

【CLEARS GREEN AND CLOUDY POND WATER】: Use when water appears green and/or cloudy. Magiclear causes particles in the water to clump together which can then easily settle out of suspension or be removed by the filter.
【EASY TO USE】: To work out the required dosage for your pond, simply calculate the volume of your pond in litres (length x width x depth (in cm)/1000) or alternatively, use our Online Dosage Calculator. Test the pH and KH of the water (Do not use if the KH is below 6 or the pH is below 7). Aerate pond well e.g. fountain, waterfall or air pump. Conduct a partial water change (as much as is practical) before use, especially if the water is extremely green, like “pea soup”. Switch off pump only if strong flow rate could prevent particles from clumping but remember to switch back on as soon as water clarifies.
【SUITABLE FOR USE WITH A FILTERLESS POND】: Without a filter, some clumps may float and can then be removed using a net. Use when you have plenty of time to observe the fish and take action in the unlikely event of a reaction.
【POND WATER FLOCCULANT】: Magiclear is a flocculant, meaning it causes particles to clump together. Follow with a dose of NT Labs Sludgeclear to clear any excess sludge which may settle at the bottom of your pond
【SUITABLE FOR ALL POND KEEPERS】:The ease of use of Pond Magiclear means it is perfect for use by beginners and seasoned pond keepers alike.

Blagdon Natural Barley Straw Bugs, 500 ml, Pond Water Treatment, Clears Green Water, Suspended Algae and Blanketweed, Consumes Phosphate, Eats Organic Matter, Pet and Wildlife Safe

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Why We Love It

Clears algae effectively.
Pet and wildlife safe.
Eliminates unsightly bales.

Main Highlights

CLEARS ALGAE AND BLANKETWEED - a formula created for treating ponds with green-water, algae and blanketweed problems with no use of biocides
GOOD BACTERIA - Barley Straw Bugs, made up of consume phosphate and organic matter, which algae need to survive thus taking away their nutrients and making them unable to thrive
NO UNSIGHTLY BALES – works like barley straw bales but without the unsightly bales
PET & WILDLIFE SAFE – Barley Straw Bugs are harmless to pets and wildlife, beneficial to filter bacteria and can be used in wildlife ponds and ponds with fish and other pond water inhabitants
ACCURATE DOSING CHAMBER - the accurate dosing chamber makes for easy, no mess measurement of treatment to suit the size of pond – shake bottle well for best results

Evolution Aqua Blanketweed - Effective Blanket Weed Treatment for Ponds & Pond Algae Treatment | Pond Weed Remover and Pond Cleaner | All-Natural Solution | Treats up to 25000L | 2KG

Why We Love It

All-natural and chemical-free.
Completely safe for all ponds.
Easy application and quick results.

Main Highlights

[All-Natural Solution] - EA Blanketweed is a blanketweed treatment for ponds made with natural ingredients. Free from harsh chemicals, it effectively tackles pond weed, algae, and pond sludge, making it the perfect choice for a fresh start pond treatment.
[100% Pond Safe] - Designed for all types of ponds, including wildlife ponds, EA Blanketweed is completely pond safe, protecting fish, plants, and aquatic ecosystems while ensuring a clear pond.
[Easy to Use] - This pond cleaner is simple to mix and apply, providing quick and lasting results. EA Blanketweed works as a pond water cleaner, duck weed treatment for ponds, and algae remover pond, leaving your pond looking its best with minimal effort.
[Compatible with Biological Filters] - Safe for use with biological filtration systems, EA Blanketweed supports healthy water quality while combating blanket weed, pond weed, and algae. This pond algae treatment is the ideal choice for maintaining your pond's natural balance.
[Trusted Product] - Trusted by pond owners worldwide, EA Blanketweed is recognized as the best all-natural blanketweed remover and an effective green away pond treatment. Its proven results in pond blanket weed control and pond water treatment make it a reliable solution for every pond owner.

Pond Friend Green Water Algae Treatment (1000ml)

Why We Love It

Safe for aquatic life.
Effective green water treatment.
Enhances filtration performance easily.

Main Highlights

Safe for Pond Fish, Plants and Biological Filters
Clears Green Water in Garden Ponds
Binds suspended algae particles together allowing the pond filter to remove larger particles more easily
250ml - treats up to 5688 litres (1250 gallons)

TAP No More Duckweed Pond Water Algae Treatment 1kg

Why We Love It

Effective duckweed control solution.
Improves water clarity rapidly.
Easy to use application method.

Main Highlights

No More Duckweed is an infusion of natural minerals enzymes and additives that will help clear your pond of duckweed in around two weeks.
Any initial cloudiness in the pond water will clear in a few days as the enzymes go to work helping to improves the overall clarity of the water.
Use one heaped spoonful (enclosed) per 65 galons (300 ltrs).
Pond duckweed can spoil an appearance of a pond and can create a biological imbalance that could result in damaging plants and killing fish.

Pisces Banish Blanketweed 1000ml Pond Water Treatment String Algae Remover

Why We Love It

Remarkable coverage with 1 bottle.
Fast action, immediate clarity.
Built-in easy measuring spout.

Main Highlights

Combats blanketweed growth – Restores the natural beauty and clarity of your pond.
Fast-acting formula – Combats blanketweed and restores the beauty of your pond in no time.
Easy to use – Simply pour, measure, and treat with no mess or fuss.
Sustained blanketweed suppression – Controls growth for weeks or months, reducing the need for frequent reapplication.
1L bottle treats 22,700 Litres (5000 Gallons)

8.7

Excellent

We scanned 1445 products

We reviewed these offers relevant to the How To Get Rid Of Algae In Pond Naturally within online retailers such as Amazon, eBay and other local retailers, ensuring we covered all major brands and models. The products we selected come from trusted brands like AJS Fisheries, envii, Sanco Industries, API, NT Labs, Blagdon, Evolution Aqua, Pond Friend, TAP, Pisces, all of which have a reputation for consistently delivering high-quality products that users love and innovative approaches for function & design.

For the best How To Get Rid Of Algae In Pond Naturally in the market, we considered we took a deep dive into 7226 online reviews , focusing on elements like user satisfaction, performance in real-world conditions, and long-term reliability. Our ranking also evaluates each review’s relevancy, authenticity, up-to-dateness and depth so that the comparison is more sound.

We concluded that:

The clear winner of our analysis is Algae Buster - Lake & Pond Treatment for Algae Control & Removal (1kg). We love many things about this product by AJS Fisheries. What sets it apart from the competition is Rapid action for quick results. , Instant activation upon water contact. , Works against stubborn algal growth. .
The best value product for most shoppers and where user satisfaction is continuously the highest is envii Algae Klear Xtra – Blanket Weed Treatment for Ponds, Removes Blanket weed & String Algae Working All Year Round, Safe for all Fish & Plants – 1L Treats 20,000 litres by envii based on online reviews by bloggers, experts and online shoppers.
The biggest bargain at the moment for How To Get Rid Of Algae In Pond Naturally and the best cost-to-value ratio is NT Labs Pond Magiclear, Clears Green and Cloudy Water, Control Against Algae Build up, Improves Pond Water Quality, Pond Water Flocculant (1 Litre)at NT Labs with a 9% discount.
Our list of the best How To Get Rid Of Algae In Pond Naturally is updated regularly to reflect new releases and changes in product availability, so be sure to check back often for the latest rankings and discounts.

10 Best How To Get Rid Of Algae In Pond Naturally in The UK

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We scanned 1445 products

We concluded that: